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EP2422929B2 - Dispositif de ponçage pour le ponçage mécanique de lames de rotor pour éoliennes - Google Patents
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EP2422929B2 - Dispositif de ponçage pour le ponçage mécanique de lames de rotor pour éoliennes - Google Patents

Dispositif de ponçage pour le ponçage mécanique de lames de rotor pour éoliennes Download PDF

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Publication number
EP2422929B2
EP2422929B2 EP10174283.1A EP10174283A EP2422929B2 EP 2422929 B2 EP2422929 B2 EP 2422929B2 EP 10174283 A EP10174283 A EP 10174283A EP 2422929 B2 EP2422929 B2 EP 2422929B2
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EP
European Patent Office
Prior art keywords
grinding
belt
unit
dust
rotor blade
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10174283.1A
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German (de)
English (en)
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EP2422929B1 (fr
EP2422929A1 (fr
Inventor
Peter Jöst
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Joest GmbH and Co KG
Original Assignee
Joest GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43432245&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2422929(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Joest GmbH and Co KG filed Critical Joest GmbH and Co KG
Priority to DK10174283.1T priority Critical patent/DK2422929T4/en
Priority to PL10174283T priority patent/PL2422929T5/pl
Priority to PT101742831T priority patent/PT2422929E/pt
Priority to EP10174283.1A priority patent/EP2422929B2/fr
Priority to ES10174283.1T priority patent/ES2420992T5/es
Priority to PCT/EP2011/064645 priority patent/WO2012025598A1/fr
Priority to US13/582,041 priority patent/US8900037B2/en
Priority to CN2011800416257A priority patent/CN103079760A/zh
Publication of EP2422929A1 publication Critical patent/EP2422929A1/fr
Publication of EP2422929B1 publication Critical patent/EP2422929B1/fr
Publication of EP2422929B2 publication Critical patent/EP2422929B2/fr
Application granted granted Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/16—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06—Dust extraction equipment on grinding or polishing machines
    • B24B55/08—Dust extraction equipment on grinding or polishing machines specially designed for belt grinding machines

Definitions

  • the present invention relates to a grinding apparatus for machine grinding rotor blades for wind turbines.
  • the grinding device can be used to automate grinding operations during the manufacture and maintenance of rotor blades.
  • wind turbines which have a rotor which drives a generator and which is rotatably mounted on a mast.
  • stresses to which the components, in particular the rotor blades of the wind turbine are exposed, are enormous.
  • the extremely contaminated plastic surfaces of rotor blades are coated several times.
  • the coating systems for protecting the surfaces consist of a so-called gelcoat, spatula, edge protection and topcoats.
  • the products used for this purpose generally consist of solvent-free, two-component polyurethane compounds. After the application of the individual layers, these must be ground in each case.
  • the rotor blades to be ground have a length of up to about 80 m and a surface to be ground of up to about 300 m 2. Accordingly, the area to be ground manually is very large.
  • a grinding apparatus according to the preamble of claim 1 is known. It has a cylindrical rotatable grinding element, are attached to the radially projecting abrasive sheets.
  • the WO 2006/006843 A1 shows such a sanding belt cleaning system for a portable belt sander, wherein the portable belt sander has a revolving sanding belt.
  • the viscoelastic coatings of the rotor blades are used because rotor blades move at speeds of up to 300 km / h and they must not be damaged when, for example, hailstones hit them.
  • DE 298 05 833 U1 DE 199 29 386 A and DE 297 09 342 U1 describes coating systems for rotor blades.
  • the cost of the grinding work can be 30% and more of the manufacturing cost of a rotor blade.
  • the grinding process can be automated, eliminating the need for manual grinding. Grinding work, which is currently carried out with hand grinders, can be omitted and carried out by means of the grinding device according to the invention. This is made possible by the use of a belt grinding unit with a revolving sanding belt, which makes it possible to mechanically grind several 100 square meters of tough-elastic coating of a rotor blade for wind turbines.
  • revolving sanding belts has the advantage that only a part of the sanding belt engages with the rotor blade, while another part of the abrasive belt is freely accessible and can be cleaned in this area of the viscoelastic grinding dust. This prevents a rapid clogging of the sanding belt with the likewise viscoelastic sanding dust.
  • an abrasive belt has the advantage that the grinding speed is infinitely variable and can be exactly adapted to the coating of the rotor blades.
  • the grinding device further comprises a drive unit for moving the belt grinding unit in the direction of the longitudinal axis of a rotor blade.
  • the belt grinding unit with the preferably transverse to the rotor blade rotating belt is moved by a drive unit in the direction of the longitudinal axis of the rotor blade.
  • the continuous grinding process also gives a smoother grinding result than a batch hand grinding.
  • By rotating the rotor blade about its longitudinal axis the entire surface of the rotor blade can be mechanically ground in further passages.
  • the grinding device further comprises a dust belt unit with a circumferential dust belt, which is guided along at least one surface of a rotor blade in order to free the surface of the rotor blade from dust.
  • a dust belt unit with a circumferential dust belt, which is guided along at least one surface of a rotor blade in order to free the surface of the rotor blade from dust.
  • the surface of the rotor blade can be cleaned of the strainer after sanding, making it suitable for direct recoating.
  • the dust-tape unit a quasi-dust-free surface of the rotor blade is obtained.
  • the grinding device further comprises at least one belt cleaning device.
  • the belt cleaning device By means of the belt cleaning device, the abrasive belt and / or the dust belt are cleaned continuously during the respective use of the belt. This increases in particular the service life of the grinding belt many times over a sanding belt without suction or even a sanding belt, is sucked in the dust.
  • the belt cleaning device cleans the abrasive belt and / or the dust belt by means of a nozzle for inflating compressed air and / or a device for extracting sanding dust and / or a brush for brushing the abrasive belt and / or the dust belt.
  • the belt grinding unit has fiction, according to Drukkisse that press the abrasive belt and / or the dust belt against a surface of a rotor blade, and which are mounted on the drive unit.
  • Drukkimplantation that press the abrasive belt and / or the dust belt against a surface of a rotor blade, and which are mounted on the drive unit.
  • the pressure elements in the direction of the transverse axis of a rotor blade on the drive unit movable link pressure bar or pressure rollers.
  • Link pressure bars or pressure rollers can adapt to the curved surface of the rotor blade and thus results in a uniform contact pressure for the sanding belt or the dust belt.
  • the pressure elements are driven pneumatically against the surface of a rotor blade in order to determine the grinding pressure of the grinding belt and / or the cleaning pressure of the dust belt on the surface. Due to the pneumatic control, the grinding pressure of the grinding belt can be precisely determined by the air pressure used. In this case, the pressure element adapt automatically to the curved surface of the rotor blade, without the need for a complex control is necessary.
  • the individual members of the sectional pressure bar or the pressure rollers are each subjected to the same air pressure, so that their pressure on the surface is always constant even with variable geometries of the surface of the rotor blade.
  • the same principle can also be realized via a hydraulic control.
  • the pressure elements preferably have a suction hood in order to suck off grinding dust through the abrasive belt and / or the dust belt and through the pressure element.
  • a suction hood in order to suck off grinding dust through the abrasive belt and / or the dust belt and through the pressure element.
  • the dust belt unit is attached to the drive unit and can therefore also be moved along the rotor blade in the longitudinal direction.
  • the drive unit preferably has a drive carriage which can be moved in the longitudinal direction, on which the belt grinding unit and / or the dust belt unit are mounted so as to be movable perpendicular thereto.
  • the drive unit serves to guide the belt grinding unit and / or the dust belt unit along and along the rotor blade during the respective machining operation.
  • the grinding device preferably also has a control unit which numerically controls at least the movements of the drive unit and / or the movements of the pressure elements in the direction of a rotor blade.
  • the movement of the drive unit and / or the movements of the pressure elements in the direction of the rotor blade are preferably numerically controlled (NC) in order to grind the entire surface of the rotor blade with a uniform contact pressure and to the desired degree.
  • the control unit causes the contours of the respective rotor blade to be traced by the drive unit.
  • the grinding device further comprises a belt tensioner which holds the abrasive belt in a tension necessary for grinding.
  • the abrasive belt is a perforated abrasive belt which is provided with perforations substantially over its entire surface.
  • a perforated abrasive belt which, in contrast to ordinary abrasive belts, has many small, closely spaced perforations, the sanding dust on the abrasive surface has only a very short distance to travel through the abrasive belt to be sucked backwards. Accordingly, the use of perforated abrasive belts reduces the risk of the abrasive belt clogging.
  • the grinding apparatus further comprises a coating unit for automatically coating the surface of a rotor blade, which is attached to the drive unit.
  • a coating unit for automatically coating the surface of a rotor blade, which is attached to the drive unit.
  • the rotor blade can be recoated or repainted after grinding with the same device. This results in the advantage that the rotor blade can remain on the system and does not have to be moved to a paint shop.
  • an automated coating is much more uniform than a manual job and without dangers for a painter.
  • the coating unit has at least one automatically movable coating roller and / or at least one automatically movable spray unit and / or at least one radiant heater.
  • the coating of the rotor blade can be carried out by rolling or by spraying, wherein the respective type of coating depends on the material used for the coating. After coating, or even parallel to this, the newly coated surfaces can be dried by means of a radiant heater accelerated. This reduces the total machining time of the rotor blade.
  • this relates to a ship for processing rotor blades of wind turbines with a grinding device as described above.
  • a ship with a grinding device for mechanical grinding of rotor blades for wind turbines could be used in particular for the revision of rotor blades in offshore wind turbines.
  • the possibility of grinding and re-coating the rotor blades directly on the sea reduces the transport times of the rotor blades during the overhaul and the wind turbine can be reused in a very short time.
  • Fig. 1 shows a side view of a grinding apparatus 1 for machine grinding of rotor blades 100.
  • a belt grinding unit 10 is arranged, which can grind a surface 110 of a rotor blade 100 of a wind turbine with a revolving grinding belt 12.
  • the rotating abrasive belt 12 is guided by means of guide rollers 22 which are fixed to a base 21 of the belt grinding unit 10.
  • the drive of the grinding belt 12 via a controllable electric drive motor 20, the grinding speed sets. So that the grinding belt 12 is always under the required tension, the belt grinding unit 10 is equipped with a belt tensioner 18, which acts on the belt 12 via a guide roller 22.
  • the belt grinding unit 10 has pressure elements 14, 15, which can be driven in the transverse direction Q to the main body 21 numerically controlled up and down and which press in the direction Z pneumatically against the back of the grinding belt 12.
  • the pressure elements 14, 15 serve to press the sanding belt 12 with the required sanding pressure to the surface 110 of the rotor blade 100 and to apply this sanding pressure to any desired location of the surface 110 in a targeted manner.
  • the pressure elements 14, 15 are pneumatically driven by means of one or more pneumatic cylinders 26 in the direction Z against the surface of the rotor blade in order to apply the necessary grinding pressure.
  • the required grinding pressure can then be adjusted very easily via the pressure in the respective pneumatic cylinders 26. This has the advantage that even with changing geometries of the surface 110, the same defined grinding pressure can always be set for grinding. This happens purely by mechanical means, without the need for elaborate control devices are necessary.
  • the printing elements can be designed as movable segmental pressure bars 14 or pressure rollers 15, as described in detail in FIG Fig. 4 are shown. Exemplary is in Fig. 4 shown on the left side of a pressure element 15 with three pressure rollers 23 which press against the back of the grinding belt 12. Both the pressure element 15 as a whole, as well as the individual pressure rollers 23 are provided with corresponding pneumatic cylinders 26 which are individually controllable. For a precise and individually adjustable grinding of the surface 110 is possible.
  • the pressure rollers 23 are surrounded by a suction hood 17, to which a negative pressure is applied in order to suck the grinding dust through the grinding belt 12 therethrough.
  • the pressure elements 14, 15 may be further provided with guide rollers 22, which ensure a low-friction transition of the abrasive belt 12 to the pressure element 14, 15.
  • a pressure element 14 in the form of a sectional pressure bar 14 is shown on the right side of the Fig. 4 .
  • the segmental pressure beam 14 as a whole is also pressed by a pneumatic cylinder 26 against the back of the abrasive belt 12, wherein the members 25 of the link pressure beam 14 are individually controllably pressed against the grinding belt 12 also via its own pneumatic cylinder 26. Again, an individually adjustable and pinpoint grinding of the surface 110 of the rotor blade 100 is possible.
  • the segmented pressure bar 14 is provided with an exhaust (not shown) which acts on a suction hood 16. For effective extraction, the segmented pressure beam 14 is provided with openings that allow extraction of grinding dust through the abrasive belt 12.
  • the sanding belt 12 is preferably a perforated sanding belt which is provided with comparatively small perforation openings which have a diameter of preferably 1 mm to 4 mm and a spacing of the perforation openings from one another of preferably 10 mm to 20 mm.
  • the abrasive belt may otherwise be constructed of a base fabric having abrasive grains coated thereon and having a width of preferably 100-300 mm.
  • the belt grinding unit 10 is further equipped with a belt cleaner 16 for the abrasive belt 12.
  • the belt cleaning device 16 preferably comprises, as in Fig. 5 As a result, easily adhering dust particles detach from the grinding surface of the grinding belt 12, which can then be sucked off by a suction unit (not shown) connected to a suction hood 29. Furthermore, the belt cleaning device 16 comprises a brush 27, which are pressed by means of pressure cylinder 26 against the grinding surface of the sanding belt 12.
  • the brush 27 also dissolves stuck, tough grinding dust, which is not yet removed by blowing off with the nozzle 28. The thus dissolved grinding dust is then sucked by means of the suction hood 29 and an additional suction 24, which is directed to the grinding side of the grinding belt 12.
  • the belt cleaning device 16 With the belt cleaning device 16, it is possible to virtually completely clean the sanding belt 12 of adhering sanding dust of the viscoelastic coatings of the rotor blade 100. In this case, the fact is exploited that only a part of the grinding belt 12 is always in engagement with the surface 110 of the rotor blade 100 and a large part of the grinding belt 10 is freely accessible, in particular for belt cleaning.
  • the belt grinding unit 10 by a drive unit 30 along the rotor blade 100 is movable. This is preferably done by an electrically driven drive carriage 32, which is guided on rails 33, numerically controlled (NC) along the longitudinal axis L of the rotor blade can be moved. On the drive carriage 32, in turn, the belt grinding unit 10 is in total numerically controlled (NC) in the direction Z on the rotor blade 100 to or from the rotor blade 100 movable with an electrically driven carriage 34.
  • NC numerically controlled
  • the surface 110 of the rotor blade 100 can thus be ground precisely at any point.
  • Fig. 1 In order to grind the profile nose or the lower shell of the rotor blade, it is also possible to rotate the rotor blade 100 about the longitudinal axis L and for machining the rotor blade in determine the desired positions 100. However, it is also possible to equip the grinding devices with a plurality of belt grinding units 10 so that the rotor blade 11 can be machined on both sides or on all sides at the same time. It is further advantageous that opposite belt grinding units 10 each exert a counter-pressure on the rotor blade 100, so that a bending of the rotor blade 100 is largely avoided during grinding.
  • a dust belt unit 40 In a similar manner as the belt grinding unit 10 is in Fig. 1 mounted on the left side of a dust belt unit 40 with a rotating dust belt 42 on the grinding device 1.
  • a base body 41 carries guide rollers 49, which ensure the circulation of a dust belt 42.
  • the dust band 42 is guided along the surface 110 of a rotor blade 100 in order to pick up the resulting grinding dust there and to almost completely clear the surface 110 of dust. This can be done with a dust belt unit 40 automatic wiping or dedusting of the rotor blade 100.
  • the dust belt unit 40 has a belt tensioner 48 which holds the dust belt 40, which preferably consists of a nonwoven material, in the required tension.
  • the dust belt unit preferably has pneumatically controlled pressure elements 44 which press the dust belt 42 against the surface 110.
  • the print elements 44 can be moved up and down on the body 41 in the transverse direction Q to selectively press the dust band 42 to the desired location of the surface 110 of the rotor blade 100.
  • the pressure elements 44 are constructed similarly to the pressure elements 14, 15 for the abrasive belt 12, which in Fig. 4 are shown.
  • the pressure elements 44 furthermore have a suction hood 47 in order to suck the dust absorbed by the dust band 42 out of the dust band 42.
  • the dust belt unit 40 is also provided with a belt cleaning device 46, which essentially corresponds to the belt cleaning device 16 of the abrasive belt 12, which in FIG Fig. 5 is shown. By this belt cleaning device 46, the dust belt 42 is continuously cleaned by the recorded grinding dust, so that clogging of the dust belt 42 is avoided.
  • the dust belt unit 40 as a whole is similar to the belt grinding unit 10 on the movable drive carriage 32 by means of another in the Z direction numerically controlled (NC) movable and electrically driven carriage 35 stored so that the entire surface 110 of the rotor blade 100 can be cleaned.
  • NC numerically controlled
  • the grinding apparatus 1 further comprises a coating unit 50 which serves to automatically coat the surface 110 of a rotor blade 100.
  • the coating unit 50 may comprise at least one automatically displaceable coating roller 52 and / or at least one automatically movable spray unit and / or at least one radiant heater 54 (cf. Fig. 3 ) exhibit.
  • a coating unit 50 By means of such a coating unit 50, the ground and cleaned rotor blade 100 can be coated with the next layer of the layer system to be applied.
  • a spray unit (not shown) or an automatically movable coating roller 52 is used.
  • the grinding apparatus 1 can also be equipped with at least one electric radiant heater 54, which can likewise be positioned at any point on the surface 110 of the rotor blade 100.
  • Rotor blades 100 for wind turbines must be serviced at regular intervals and, if required by damage and stress, also be recoated.
  • the surface 110 of the rotor blade 100 is abraded and provided with a new coating. Since many of the wind turbines are installed in the sea (so-called offshore wind turbines) is provided to provide a ship for processing rotor blades of wind turbines, on which an automatic grinder 1, as described above, is installed. Thus, a revision of the rotor blades 100 is possible on site and it reduces the transport routes. Due to the complete automation of grinding, cleaning and recoating, these processes can also be carried out on a constantly moving ship.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Claims (13)

  1. Dispositif de ponçage (1) pour le ponçage mécanique automatisé de pales de rotor (100) destinées à des éoliennes, comprenant :
    a. une unité de ponçage à bande (10) avec une bande de ponçage circulante (12), une partie seulement de la bande de ponçage circulante (12) se trouvant engagée avec la surface (110) d'une pale de rotor (100) ;
    b. une unité d'entrainement (30) pour déplacer l'unité de ponçage à bande (10) dans la direction (L) de l'axe longitudinal d'une pale de rotor (100) ; et
    c. des éléments de pression (14, 15, 44) qui pressent la bande de ponçage (12) pneumatiquement au moyen d'un ou plusieurs cylindres pneumatiques (26) contre la surface (110) de la pale de rotor (100) et qui sont montés sur l'unité d'entrainement (30).
  2. Dispositif de ponçage selon la revendication 1, comportant en outre une unité à bande anti-poussière (40) avec une bande anti-poussière circulante (42) guidée le long d'au moins une surface (110) d'une pale de rotor (100) pour débarrasser la surface (110) de la pale de rotor (100) de la poussière.
  3. Dispositif de ponçage selon l'une des revendications 1 à 2, comportant en outre au moins un dispositif de nettoyage de bande (16, 46).
  4. Dispositif de ponçage selon la revendication 3, dans lequel le dispositif de nettoyage de bande (16, 46) nettoie la bande de ponçage (12) et/ou la bande anti-poussière (42) au moyen :
    a) d'une buse (28) servant à souffler de l'air comprimé ; et/ou
    b) d'un dispositif (24) servant à aspirer la poussière de ponçage ; et/ou
    c) d'une brosse (27) servant à brosser la bande de ponçage (12) et/ou la bande anti-poussière (40).
  5. Dispositif de ponçage selon la revendication 1, dans lequel les éléments de pression (14, 15, 44) comprennent des barres de pression segmentées (14) ou des rouleaux de pression (15) qui sont déplaçables sur l'unité d'entrainement (30) dans la direction (Q) de l'axe transversal d'une pale de rotor (100).
  6. Dispositif de ponçage selon l'une des revendications 1 à 5, dans lequel les éléments de pression (14, 15, 44) comportent une hotte aspirante (17, 47) pour aspirer la poussière de ponçage à travers la bande de ponçage (12) et/ou la bande anti-poussière (42) et à travers l'élément de pression (14, 15, 44).
  7. Dispositif de ponçage selon l'une des revendications 2 à 6, dans lequel l'unité à bande anti-poussière (40) est fixée sur l'unité d'entrainement (30).
  8. Dispositif de ponçage selon l'une des revendications 1 à 7, dans lequel l'unité d'entrainement (30) comporte un chariot d'entrainement (32) qui est déplaçable dans la direction longitudinale (L) et sur lequel l'unité de ponçage à bande (10) et/ou l'unité à bande anti-poussière (40) sont montées déplaçables perpendiculairement à cette direction (Z).
  9. Dispositif de ponçage selon l'une des revendications 1 à 8, comportant en outre une unité de commande qui commande numériquement au moins les mouvements de l'unité d'entrainement (30) et/ou les mouvements des éléments de pression (14, 15) dans la direction (Z) de la pale de rotor (100).
  10. Dispositif de ponçage selon l'une des revendications 1 à 9, comportant en outre un tendeur de bande (18) qui maintient la bande de ponçage (12) à une tension nécessaire pour le ponçage.
  11. Dispositif de ponçage selon l'une des revendications 1 à 10, dans lequel la bande de ponçage (12) est une bande de ponçage perforée qui est pourvue d'ouvertures de perforation sensiblement sur toute sa surface.
  12. Dispositif de ponçage selon l'une des revendications 1 à 11, comportant en outre une unité d'enduction (50) pour enduire automatiquement la surface (110) d'une pale de rotor (100), laquelle unité d'enduction (50) est fixée à l'unité d'entrainement (30).
  13. Dispositif de ponçage (1) selon la revendication 12, dans lequel l'unité d'enduction (50) comprend :
    a) au moins un rouleau d'enduction (52) déplaçable automatiquement ; et/ou
    b) au moins une unité de pulvérisation déplaçable automatiquement ; et/ou
    c) au moins un appareil de chauffage par rayonnement (54).
EP10174283.1A 2010-08-27 2010-08-27 Dispositif de ponçage pour le ponçage mécanique de lames de rotor pour éoliennes Active EP2422929B2 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DK10174283.1T DK2422929T4 (en) 2010-08-27 2010-08-27 Grinding machine for machine grinding of rotor blades for wind turbines
PL10174283T PL2422929T5 (pl) 2010-08-27 2010-08-27 Urządzenie szlifierskie do szlifowania maszynowego łopat wirnika siłowni wiatrowych
PT101742831T PT2422929E (pt) 2010-08-27 2010-08-27 Dispositivo de rectificação para a rectificação mecânica de pás de rotor para instalações de energia eólica
EP10174283.1A EP2422929B2 (fr) 2010-08-27 2010-08-27 Dispositif de ponçage pour le ponçage mécanique de lames de rotor pour éoliennes
ES10174283.1T ES2420992T5 (es) 2010-08-27 2010-08-27 Dispositivo de lijado para el lijado a máquina de palas de rotor para instalaciones de aerogeneradores
US13/582,041 US8900037B2 (en) 2010-08-27 2011-08-25 Grinding device for machine based grinding of rotor blades for wind energy systems
PCT/EP2011/064645 WO2012025598A1 (fr) 2010-08-27 2011-08-25 Dispositif de meulage pour le meulage en machine de pales de rotors pour des installations éoliennes
CN2011800416257A CN103079760A (zh) 2010-08-27 2011-08-25 用于对用于风能系统的转子叶片进行基于机器的磨削的磨削装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10174283.1A EP2422929B2 (fr) 2010-08-27 2010-08-27 Dispositif de ponçage pour le ponçage mécanique de lames de rotor pour éoliennes

Publications (3)

Publication Number Publication Date
EP2422929A1 EP2422929A1 (fr) 2012-02-29
EP2422929B1 EP2422929B1 (fr) 2013-04-17
EP2422929B2 true EP2422929B2 (fr) 2017-03-01

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ID=43432245

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10174283.1A Active EP2422929B2 (fr) 2010-08-27 2010-08-27 Dispositif de ponçage pour le ponçage mécanique de lames de rotor pour éoliennes

Country Status (8)

Country Link
US (1) US8900037B2 (fr)
EP (1) EP2422929B2 (fr)
CN (1) CN103079760A (fr)
DK (1) DK2422929T4 (fr)
ES (1) ES2420992T5 (fr)
PL (1) PL2422929T5 (fr)
PT (1) PT2422929E (fr)
WO (1) WO2012025598A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2460624A1 (fr) * 2010-12-06 2012-06-06 Jöst GmbH Dispositif de ponçage pour le ponçage mécanique de lames de rotor pour éoliennes
CN103465141B (zh) * 2013-10-09 2016-03-02 台州联帮机器人科技有限公司 一种砂带打磨抛光机上抛光轮的转换机构
CN105234779B (zh) * 2015-09-28 2017-07-25 深圳市钜达机械设备有限公司 砂带自动打磨机及其打磨方法
CA2999989C (fr) * 2015-09-28 2020-06-30 Saint-Gobain Abrasifs Procede et systeme de retrait de materiau d'une piece de travail
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US20120318190A1 (en) 2012-12-20
EP2422929B1 (fr) 2013-04-17
WO2012025598A1 (fr) 2012-03-01
ES2420992T3 (es) 2013-08-28
PT2422929E (pt) 2013-07-11
ES2420992T5 (es) 2017-07-24
EP2422929A1 (fr) 2012-02-29
DK2422929T4 (en) 2017-06-06
US8900037B2 (en) 2014-12-02
CN103079760A (zh) 2013-05-01
DK2422929T3 (da) 2013-07-15
PL2422929T5 (pl) 2017-10-31
PL2422929T3 (pl) 2013-09-30

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